- Product OverviewType: 2-piece drop-in quad rail handguard.Material: Black anodized aluminum.Features: Numbered rail markings (e.g., R18, R20, R22 up to R28) on the top Picatinny rail section for optic and accessory placement.Compatibility: Standard carbine-length AR-15/M4 gas system with a delta ring and front handguard cap.






